TimescaleDB Outperforms MongoDB for JSON Logs (100M Document Benchmark)

📰 Dev.to · Polliog

Learn how TimescaleDB outperforms MongoDB for storing JSON logs in a 100M document benchmark and why it matters for your logging needs

intermediate Published 16 Feb 2026
Action Steps
  1. Run a benchmark test using TimescaleDB and MongoDB to compare performance on JSON log storage
  2. Configure TimescaleDB for optimal JSON log storage using its native support for JSON data types
  3. Test the scalability of both databases with a 100M document benchmark
  4. Compare query performance between TimescaleDB and MongoDB for common logging use cases
  5. Apply the findings to your logging infrastructure to choose the best database for your needs
Who Needs to Know This

Developers and DevOps teams can benefit from understanding the performance differences between TimescaleDB and MongoDB for logging use cases, especially when dealing with large amounts of JSON data

Key Insight

💡 TimescaleDB's native support for JSON data types and time-series data makes it a better choice than MongoDB for storing and querying large amounts of JSON log data

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🚀 TimescaleDB vs MongoDB for JSON logs: which one comes out on top? 🤔

Key Takeaways

Learn how TimescaleDB outperforms MongoDB for storing JSON logs in a 100M document benchmark and why it matters for your logging needs

Full Article

When building Logtide, we needed to store millions of JSON log documents. The "obvious" choice seemed...
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